①through穿过(through是介词,意思是从立体空间穿过,与in有关):
through the forest穿过森林/through the jungle穿过热带丛林/through the clouds穿过云层/through the tunnel 穿过隧道
He drove through the tunnel.他开车经过了隧道。
They walked through the forest.我们徒步穿过了森林。
②across穿过(across 是介词,意思是从平面上穿过,与on有关):
across the street穿过大街/across the road穿过马路
He ran across the street.他跑过了大街。
③cross穿过(cross是动词,cross=go across)